The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 27, 2004
Filed:
Aug. 03, 2001
Ruediger Butterbach, Essen, DE;
Ulrike Maassen, Neuss, DE;
Dirk Bonke, Duesseldorf, DE;
Siegfried Kopannia, Krefeld, DE;
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Abstract
The present invention relates to a process for preparing a digital versatile disc. The process of the present invention includes providing a hot melt adhesive containing at least one thermoplastic elastomer, at least one hydrocarbon resin, at least one poly-&agr;-olefin, and at least one polar wax, and providing at least two disc blanks. The hot melt adhesive is applied directly or indirectly to at least one of the blanks and the blanks are bonded together using the hot melt adhesive. The present invention also provides a digital versatile disc containing the hot melt adhesive.